The final report on the CH-147F Chinook crash near Garrison Petawawa found the crew unaware of the quick approach to water. The crash occurred on June 20, 2023, with the helicopter banking left at 36 degrees, lacking sufficient thrust, and dropping 90 metres per minute.
The final report into last year's CH-147F Chinook crash into the Ottawa River near Garrison Petawawa found none of the crew members on the training flight realized how quickly the helicopter was approaching the water in the moments before impact.·A CH-147F Chinook helicopter is recovered from the Ottawa River near Garrison Petawawa in July 2023. It crashed into the water a month earlier, killing two pilots.
This map shows the helicopter's planned route, from its 'final approach and take off' area to a 'confined' training area. The Chinook crashed about 400 metres offshore. With the helicopter dropping faster than the crew realized, a low altitude warning went off 7.5 seconds before impact at about 38 metres above the water.
The helicopter struck the Ottawa River about 400 metres offshore and sank about 25 metres to the riverbed, where it stayed for 23 days.The two survivors were thrown around the cabin with their tethers still attached. Both disconnected from the sinking helicopter and grabbed debris to help stay afloat. They weren't wearing their damage-resistant life preservers — the report notes this was fairly common for comfort and range of motion.
Canada could also adopt disorientation training devices used by many allies, and refresh underwater escape training every five years instead of every 10.
CH-147F Chinook Crash Ottawa River Garrison Petawawa Black Hole Effect
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